PicoQuant MultiHarp 150 - Multiharp 160 - Connector for the External FPGA Interface; Indicators

PicoQuantGmbH MultiHarpSoftwareV.3.1.0.0
8.3.4. MultiHarp 160 - Connector for the External FPGA Interface
TheMultiHarp160hasahighspeedinterfacefordatatransfertooneormoreexternalFPGAs.TheSamtec
ERI8/ERCconnectorforthispurposeislocatedatthebackofthemainunitandlabeledEXT.Itislistedherefor
completenessonly,forallotherdetailsontheExternalFPGAInterface(EFI)pleaseseetheseparatedocumen-
tation.ItisprovidedontheMultiHarpdistributionmediaaspartoftheEFIgatewareandsoftwarepack(currently
EFI_v01_00_00.zip).ThemostrecentEFIpackcanbedownloadedfromtheMultiHarp160productpageat
https://www.picoquant.com/products/category/tcspc-and-time-tagging-modules/multiharp-160.
8.3.5. Indicators
TheMultiHarpshowssomestatusinformationbymeansofthreeLEDsonthefrontpanellabeledSTATUS.The
meaningoftheseindicators,fromlefttoright,isasfollows:
USB Status(left)
red =noconnection
orange =USB2.0connection
green =USB3.0connection
Measurement Status(middle)
red =measurementactive
green =inactive
Thisreflectsthestateofpin22oftheCTRLconnector(highwhenmeasurementrunning).
Error Status(right)
red =error(ornotyetinitialized)
orange =info
green =OK
NotethattheerrorstatusLEDisinitiallyredwhenthedeviceisswitchedonandthesoftwarehasnotyetinitial-
izedit.Alsonotethatitgivesonlyaverycrudeindicationoferrors.Theindicatederrorsorinfostatesarealso
monitoredbythesoftwarewhichgivesmuchmoretangibleinformationontheissue.Themostlikelyinfoyou
mayseeindicatedbyorangelightiswhentheinputrateistoohighandeventsaredropped.However,espe-
ciallyincaseofinfostheLEDmayactuallylightuponlyverybriefly.Lookingatthestatusinformationgivenby
thesoftwareshouldthereforealwaysbepreferred.
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